Marine Forecast

Issued 03:30 PM AST 13 November 2018

Tonight and Wednesday.

Gale warning in effect.

Wind southeast 20 knots increasing to southerly 35 early this evening then diminishing to southwest 15 late this evening. Wind increasing to west 30 after midnight and to westerly 40 early Wednesday morning.

Rain ending near midnight. Flurries Wednesday. Fog patches late this evening. Visibility 1 mile or less in fog patches and in flurries.

Risk of freezing spray Wednesday.

Temperatures plus 6 rising to plus 12 this evening then falling to minus 3 Wednesday morning.


Issued 05:00 PM AST 13 November 2018
Tonight and Wednesday. Seas 1 to 2 metres building to 3 to 4 early Wednesday morning.

Extended Forecast

Issued 03:30 PM AST 13 November 2018
Thursday Wind northwesterly 35 knots diminishing to northwest 25 in the morning and to light late in the day.
Friday Wind southeasterly 15 to 20 knots increasing to easterly 35 late in the day.
Saturday Wind westerly 25 knots diminishing to westerly 15 to 20.

Ice Forecast

Issued 10:00 AM EDT 26 May 2018 Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2018

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Forecasts available to mariners upon request.


Warnings (In effect)

Gale warning in effect


Issued 3:30 PM AST 13 November 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.


Technical Marine Synopsis

Issued 3:30 PM AST 13 November 2018 Tonight and Wednesday At 3:30 p.m. AST today ridge located on a line north-south over
the eastern Marine District.
By 3:00 a.m. AST Wednesday ridge located east of Newfoundland.

At 3:30 p.m. AST today deepening low 1002 mb located near Cape Cod.
By 10:00 a.m. AST Wednesday intensifying low 970 mb located east
of Anticosti Island.

At 8:00 p.m. AST Wednesday departing low 952 mb located northeast
of Newfoundland.

Marine Weather Statement

Issued 3:59 PM AST 13 November 2018 A low pressure system currently near Cape Cod will rapidly intensify
as it tracks northeastward across the Bay of Fundy this evening and
across the Gulf of St. Lawrence overnight and Wednesday morning.
Winds ahead of the approaching low will reach gale to storm force
southerlies. As the low passes, winds will become gale to storm force
westerlies and persist for the remainder of Wednesday.

Marine interests are advised that storm warnings are in effect for
eastern shore, Sable, East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan, Cabot Strait, Northumberland Strait, Chaleur-Miscou
and Anticosti. Gale warnings are in effect for all remaining waters.

High winds on Wednesday will produce rough and pounding surf along
west facing shorelines in the Gulf of St Lawrence.

Outlook for the start-up of the Southwest New Brunswick lobster
Tonight..Winds southeast 25 to 35 knots. Winds increasing to
southeast 45 early this evening over Grand Manan (lfa 38, western lfa
36). Winds becoming southwest 25 later in the evening then shifting
to west 30 to 35 around midnight.
Wednesday..Winds west 40 (lfa 36), and northwest 45 knots lfa 38).
Thursday..Winds northwest 35 knots diminishing to 25 early in the
morning and then to 15 in the afternoon. Winds becoming light late in
the day.

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